2011-2016 GM 6.6L Duramax LML OEM Bosch CP4 Fuel Pump. The Bosch OEM pump is the Stock replacement CP4 pump for 2011 - 2016 Chevy / GMC 6.6L Duramax LML It is the exact same pump you would get from your local GM dealer.
-All CP4 pumps are backed with 1 year warranty, see our warranty policy for details.
-Core Charge $400 Note: Never pay a core if returned within 21 days.**